American Environmental acquires Mid-America Lining

April 6, 2011  |  News

American Environmental Group Ltd. has acquired the geosynthetic liner operations of Union City, Tenn.-based Mid-America Lining Co., according to a press release from AEG this week. Mid-America’s history includes geosynthetic installations on a national scale, and that is a natural addition to …
GeoAmericas 2012 call for papers

April 4, 2011  |  News

GeoAmericas May 2-5, 2012 Lima, Perú GeoAmericas 2012, the Second PanAmerican Geosynthetics Conference and Exhibition, will provide a forum for geosynthetics engineers, practitioners, and academe to explore current and potential applications for geosynthetics, while offering an active marketplace…
Update on GSI activities

April 1, 2011  |  News

By Bob and George Koerner There are several activities of GSI that we believe have widespread interest to the geosynthetics community beyond our regular direct contact with its members and affiliated members. They are briefly as follows: Laboratory Test Method Accreditation The Geosynthetic Accredit…
New officers named for geosynthetics organizations

April 1, 2011  |  News

NAGS, FGI, IAGI make announcements at Geo-Frontiers North American Geosynthetics Society (NAGS) The following were announced as the new Board of Directors for NAGS: President–Dean Sandri; President-elect–Bob Mackey; Treasurer–Corey Bobba; Vice Presidents–Marolo Alfaro, Jay Mc…
Using geotextiles to repair earth dams

April 1, 2011  |  Products

By Benjamin C. Doerge, Trent Street, John Chua, Rex Stambaugh, and James McHenry Abstract The Natural Resources Conservation Service (NRCS) has made innovative use of geotextiles to repair several cracked earth dams. This paper presents how geotextiles were used to repair three dams in Texas, Arizon…
Geosynthetic reinforced soil walls as integral bridge abutments

April 1, 2011  |  Case Studies

From ER-2010 / Earth Retention Conference #3 By Michael R. Simac and David J. Elton Introduction The first use of geosynthetic reinforced soil walls for integral bridge abutment construction in North America occurred on the Greenville Southern Connector (Interstate 185) toll road in 1999. A second b…
‘Old-timer’ recalls the history of geomembrane interface strength tests (Part 2)

April 1, 2011  |  Features

By Allan J. Breitenbach, P.E. Editor’s note: Author Breitenbach’s treatise recalling geomembrane testing in days of yore started with Part 1 in the February/March issue of Geosynthetics. He continues in Part 2 with an examination of several related factors that influenced liner interface…
Utah’s Trax line now built to the airport

April 1, 2011  |  Case Studies

Project basics The Salt Lake City Airport Trax Line is a six-mile light-rail extension that will connect with the existing Trax system at the Arena Station, located at 400 West and South Temple. When completed, the Airport Trax Line, combined with the University Trax Line, will connect the top three…
Highway reconstruction on soft soils not a problem with geofoam

April 1, 2011  |  Case Studies

By David Shong and Nico Sutmoller Once a thriving industrial suburb of Chicago that was sometimes called the Steel City, Gary, Ind., has seen a gradual decline in its industrial base and population. Indiana’s fifth-largest city was hard hit by the decline in steel mill employment but has recen…
Ongoing geocell discussion

April 1, 2011  |  News

Editor’s Note: The following comments were submitted regarding the GMA Techline article “Geocell application,” from the April 2010 Geosynthetics. Comment From: Suprio Re: Geocell on soft subgrade In case if a layer of geocell is placed on a soft subgrade of say CBR value 1, then wh…